US Bridges

US 169 over Beaver Creek

Fair

Dallas County, Iowa · 0.9 Mi. N of Jct. Ia 141 · Structure no. 000000000021921

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
3 main spans
Daily traffic
3,990
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Beaver Creek in Dallas County, Iowa. It was built in 1988, so it is 37 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,990 vehicles a day, roughly 15% of them trucks, projected to reach 3,990 by 2044. The structure is 271 ft (82.6 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS 169
CrossesBeaver Creek
Location0.9 Mi. N of Jct. Ia 141
RouteU.S. Route 169
StateIowa
Coordinates41.84904, -94.02832
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating58.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length271 ft (82.6 m)
Longest span97 ft (29.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,990 (2022)
Projected traffic3,990 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 169 over Beaver Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 169 over Beaver Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does US 169 over Beaver Creek carry?

About 3,990 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 169 over Beaver Creek?

The structure is 271 ft (82.6 m) long with a longest span of 97 ft (29.6 m) and a deck 47 ft wide.

Who owns US 169 over Beaver Creek?

It is owned by the State Highway Agency.